Birkenstock Arizona Mens Twin Strap Sandal Black Synthetic Developed by Birkenstock for those who prefer an alternative to leather, Birko Flor is made of soft acrylic and polyamide felt fibres but still retain its strength and smooth feel. The supportive contoured footbeds ensure unbeatably comfort that lasts. -Double Strap -Black synthetic upper -Suede lined -Eva footbed -Natural latex sole About Birkenstock The mastery of shoe making and the devotion to bring style and comfort to the people have persisted from one generation to the next Over many generations, the Birkenstock company has gathered extensive knowledge in the area of foot health This knowledge and experience is the foundation of their proven, high quality Birkenstock sandals and shoes.